Catalog division
Impurity Reference Standards
Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.
Methyl 4-(((2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl)amino)-2-methoxybenzoate
- CAS
- 205448-64-2
- Formula
- C16H17NO7
- MW
- 335.31 g/mol
ZX-030214
Methyl 4-((2R,4R)-4-ethoxypiperidin-2-yl)benzoate
- CAS
- 2891579-89-6
- Formula
- C15H21NO3
- MW
- 263.33 g/mol
ZX-025154
Methyl 4-((2R,4S)-4-ethoxypiperidin-2-yl)benzoate
- CAS
- 2408761-26-0
- Formula
- C15H21NO3
- MW
- 263.33 g/mol
ZX-025152
Methyl 4-((2S,4R)-4-ethoxypiperidin-2-yl)benzoate
- CAS
- 2920219-98-1
- Formula
- C15H21NO3
- MW
- 263.33 g/mol
ZX-025153
Methyl 4-(2-((4-morpholinophenyl)amino)pyrimidin-4-yl)benzoate
- CAS
- 945749-75-7
- Formula
- C22H22N4O3
- MW
- 390.4 g/mol
ZX-030683
Methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3-carboxylate
- CAS
- 253597-20-5
- Formula
- C15H15Cl2NO2
- MW
- 312.2 g/mol
ZX-020245
Methyl 4-(3,5-dichlorobenzamido)-3-hydroxybenzoate
- CAS
- 2505157-36-6
- Formula
- C15H11Cl2NO4
- MW
- 340.2 g/mol
ZX-027087
Methyl 4-(4-Fluorophenyl)-6-isopropyl-2-(methylamino)pyrimidine-5-carboxylate
- CAS
- 160009-36-9
- Formula
- C16H18FN3O2
- MW
- 303.33 g/mol
ZX-032312
Methyl 4-(4-Fluorophenyl)-6-isopropyl-2-(methylsulfonyl)pyrimidine-5-carboxylate
- CAS
- 799842-06-1
- Formula
- C16H17FN2O4S
- MW
- 352.4 g/mol
ZX-032299
Methyl 4-(4-Fluorophenyl)-6-isopropyl-2-[N-methyl-N-(methylsulfonyl)amino]pyrimidine-5-carboxylate
- CAS
- 289042-11-1
- Formula
- C17H20FN3O4S
- MW
- 381.4 g/mol
ZX-032300
Methyl 4-(4-fluorophenyl)-6-isopropyl-2-oxo-1,2-dihydropyrimidine-5-carboxylate
- CAS
- 488798-37-4
- Formula
- C15H15FN2O3
- MW
- 290.29 g/mol
ZX-026825
Methyl 4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzoate
- CAS
- 179162-64-2
- Formula
- C22H23NO4
- MW
- 365.4 g/mol
ZX-025610
Methyl 4-(7-(6-cyano-5-(trifluoromethyl)pyridin-3-yl)-8-oxo-6-thioxo-5,7-diazaspiro[3.4]octan-5-yl)-2-fluorobenzoate
- CAS
- 1950587-19-5
- Formula
- C21H14F4N4O3S
- MW
- 478.4 g/mol
ZX-020651
Methyl 4-acetamido-3-bromo-2-(2-bromoethoxy)-5-chlorobenzoate
- CAS
- 748788-39-8
- Formula
- C12H12Br2ClNO4
- MW
- 429.49 g/mol
ZX-026588
Methyl 4-acetamido-3-bromo-5-chloro-2-hydroxybenzoate
- CAS
- 232941-14-9
- Formula
- C10H9BrClNO4
- MW
- 322.54 g/mol
ZX-022605
Methyl 4-acetamido-5-chloro-2,3-dihydrobenzofuran-7-carboxylate
- CAS
- 143878-29-9
- Formula
- C12H12ClNO4
- MW
- 269.68 g/mol
ZX-036063
Methyl 4-acetylamino-5-chloro-2-hydroxybenzoate
- CAS
- 24190-77-0
- Formula
- C10H10ClNO4
- MW
- 243.64 g/mol
ZX-022604
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